| May 25–29, 2026 | Tensor Isomorphism: Algorithms, Geometry and Applications，葉山 |
| July 23–25, 2025 | 2025年度夏のLAシンポジウム，盛岡 |
| April 3–9, 2024 | Danmarks Tekniske Universitet, Kongens Lyngby |
| May 29–June 7, 2024 | Tensors: Algebra–Geometry–Applications, Fort Collins and Bellvue, Colo. |
| July 16–18, 2024 | 2024年度夏のLAシンポジウム，鳥羽 |
| Jan. 5, 6, 2023 | JMM 2023, Boston | |
| Mar. 19–22, 2023 | Univerzita Karlova, Praha | |
| Mar. 23–26, 2023 | Rome Celebration, Roma | |
| June 4–6, 2023 | NESCAD Gathering 2023, Clinton, N.Y. | |
| July 3–5, 2023 | 2023年度夏のLAシンポジウム，函館 | |
| July 7, 2023 | 名古屋大学 |
| July 19–21, 2022 | 2022年度夏のLAシンポジウム，秋田 |
| Nov. 29, 2022 | Long Walk Societies’ Celebration 2022, New York |
| Nov. 15, 2021 | Dartmouth College, Hanover, N.H. |
| Feb. 20, 21, 2019 | University of Oregon, Eugene |
| June 3–14, 2019 | Tensors: Algebra, Computation and Applications, Boulder and Bellvue, Colo. |
| July 31–Aug. 2, 2019 | 2019年度夏のLAシンポジウム，蒲郡 |
| July 1–7, 2018 | Symmetry vs. Regularity, Plzeň |
| July 17–19, 2018 | 2018年度夏のLAシンポジウム，九十九里 |
| July 18–20, 2017 | 2017年度夏のLAシンポジウム，天童 |
| July 21, 2017 | 立教大学 |
| Nov. 15–17, 2017 | MACIS 2017, Wien |
| Feb. 3, 2016 | Harvard University, Cambridge, Mass. |
| July 19–21, 2016 | 2016年度夏のLAシンポジウム，平群 |
| July 27, 2016 | 立教大学 |
| Apr. 17, 2015 | CCSCNE 2015, Worcester, Mass. |
| July 14–16, 2015 | 2015年度夏のLAシンポジウム，加賀 |
| Sept. 28–Oct. 2, 2015 | Bucknell University, Lewisburg, Penna. |
| June 9–13, 2014 | Groups, Computation and Geometry, Pingree Park, Colo. |
| July 17–19, 2014 | 2014年度夏のLAシンポジウム，岩国 |
| Oct. 4, 2014 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Oct. 9–14, 2014 | Colorado State University, Fort Collins |
| May 10, 2013 | New York Area Theory Day, Greenwich Village, N.Y. |
| July 16–18, 2013 | 2013年度夏のLAシンポジウム，福岡 |
| Oct. 5, 2013 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Mar. 20–24, 2012 | Colorado State University, Fort Collins |
| Apr. 27, 2012 | CCSCNE 2012, Hamden, Conn. |
| July 17–19, 2012 | 2012年度夏のLAシンポジウム，宮津 |
| July 24, 2012 | 日本大学 |
| Oct. 20, 2012 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Nov. 3, 2012 | ACM Programming Contest (Regional Final), Rochester, N.Y. |
| July 19–21, 2011 | 2011年度夏のLAシンポジウム，湖西 |
| July 26, 2011 | 日本大学 |
| Mar. 21–25, 2010 | Combinatorics, Groups, Algorithms, and Complexity, Columbus, Ohio |
| Apr. 16, 17, 2010 | CCSCNE 2010, West Hartford, Conn. |
| May 19–21, 2010 | FLAIRS-23, Daytona Beach Shores, Fla. |
| May 27–29, 2010 | University of Oregon, Eugene |
| Aug. 20, 2010 | Technische Universität Braunschweig, Braunschweig |
| Oct. 23, 2010 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| May 2, 2009 | East Coast Computer Algebra Day 2009, Kingston, R.I. |
| Aug. 17, 2009 | 日本大学 |
| Oct. 24, 2009 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Mar. 17–21, 2008 | Groups and Computation, Columbus, Ohio |
| Apr. 11, 2008 | CCSCNE 2008, Staten Island, N.Y. |
| Sept. 22, 2008 | Sudbury, Mass. |
| Oct. 4, 2008 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Aug. 20–31, 2007 | 日本大学 |
| Oct. 15, 2007 | Boston College, Chestnut Hill, Mass. |
| Nov. 9, 2007 | Boston University, Boston |
| Nov. 28–30, 2007 | University of Oregon, Eugene |
| Jan. 14, 2006 | 東京工業大学 |
| Apr. 21, 2006 | CCSCNE 2006, Worcester, Mass. |
| June 10, 2006 | University of Oregon, Eugene |
| July 24–26, 2006 | MACIS 2006, Běijīng |
| Dec. 1, 2006 | NSF CPATH, Newark |
| June 12–15, 2005 | CCC 2005, San José |
| Oct. 29, 2005 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Apr. 23, 24, 2004 | CCSCNE 2004, Schenectady, N.Y. |
| May 14, 2004 | Columbia | NYU | IBM Research Theory Day, Morningside Heights, N.Y. |
| June 21–24, 2004 | CCC 2004, Amherst, Mass. |
| July 9, 2004 | Boston College, Chestnut Hill, Mass. |
| Sept. 1–Dec. 31, 2004 | Northeastern University, Boston |
| Sept. 4–9, 2004 | Finite Geometries, Groups and Computation, Pingree Park, Colo. |
| Jan. 8, 2003 | 名古屋大学 |
| Jan. 10, 2003 | 日本大学 |
| Mar. 24–28, 2003 | Groups and Computation, Columbus, Ohio |
| Oct. 11–14, 2003 | FOCS 2003, Cambridge, Mass. |
| Oct. 25, 2003 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Jan. 8, 9, 2002 | 九州大学 |
| Jan. 10, 2002 | 京都大学 |
| Mar. 1, 2002 | Boston University, Boston |
| Mar. 13, 2002 | CSF 2002, Hamden, Conn. |
| Apr. 19, 2002 | CCSCNE 2002, Worcester, Mass. |
| May 31, 2002 | University of Oregon, Eugene |
| July 7–10, 2002 | ISSAC 2002, Villeneuve d'Ascq |
| July 12, 2002 | Queen Mary, University of London, London |
| Sept. 8, 2002 | CP 2002, Ithaca, N.Y. |
| Oct. 19, 2002 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Nov. 7, 2002 | Boston University, Boston |
| Oct. 13, 2001 | ACM Programming Contest (Preliminary), Springfield, Mass. |
| Oct. 17, 2001 | Northeastern University, Boston |
| Oct. 19, 2001 | Massachusetts Institute of Technology, Cambridge, Mass. |
| Nov. 8, 2001 | Northeastern University, Boston |
| Dec. 13, 2001 | Northeastern University, Boston |
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